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Tri-County Waterproofing IncFoundation repair company in O'Fallon, MO

Tri-County Waterproofing Inc is a foundation repair company at 420 E Wabash St, O'Fallon, MO 63366, rated 5.0 from 2 Google reviews. Open Monday to Friday.

O'Fallon, MO0 paid placements in any rankingHow we rank

Call (636) 240-7200

Key facts

Key facts about Tri-County Waterproofing Inc
Address420 E Wabash St, O'Fallon, MO 63366Get directions
Phone(636) 240-7200
HoursMonday to Friday: 7 AM – 3 PM
Google rating5.0 from 2 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Foundation Repairmain tradeGoogle main category

Service area

Serves O'Fallon and 11 towns within 40 miles: Dardenne Prairie, Saint Peters, Lake Saint Louis, Weldon Spring, Wentzville, Saint Charles, Chesterfield, Bridgeton, Maryland Heights, Wildwood and Ellisville.

Based in O'Fallon, MOView on map

Opening hours

Opening hours for Tri-County Waterproofing Inc
DayHours
Monday7 AM – 3 PM
Tuesday7 AM – 3 PM
Wednesday7 AM – 3 PM
Thursday7 AM – 3 PM
Friday7 AM – 3 PM
SaturdayClosed
SundayClosed
  • Open evenings — no
  • Open Saturdays — no
  • Open Sundays — no

Typical foundation repair prices

Typical foundation repair prices
JobLowTypicalHigh
Foundation repairPer project: typical range of customer-reported repairs. US national range$2,225$5,174$8,133

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Reviews

ContractorsRanked reviews

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Google

5.0from 2 Google reviews

Hired Tri-County Waterproofing Inc? Write a review

Questions about Tri-County Waterproofing Inc

What are Tri-County Waterproofing Inc’s hours?

Tri-County Waterproofing Inc is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 3 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Tri-County Waterproofing Inc serve?

Serves O'Fallon and 11 towns within 40 miles: Dardenne Prairie, Saint Peters, Lake Saint Louis, Weldon Spring, Wentzville, Saint Charles, Chesterfield, Bridgeton, Maryland Heights, Wildwood and Ellisville. The list is based on the business's location and the usual service radius for foundation repair. Confirm your address is covered when you call.

What do Google reviews say about Tri-County Waterproofing Inc?

Tri-County Waterproofing Inc has a rating of 5.0 from 2 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Tri-County Waterproofing Inc?

Call Tri-County Waterproofing Inc on (636) 240-7200. The business is at 420 E Wabash St, O'Fallon, MO 63366. Ask for a written estimate before any work starts.

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